Thrombocytopenia

Definition

Thrombocytopenia is any disorder in which there is an abnormally low amount of platelets. Platelets are parts of the blood that help blood to clot. This condition is sometimes associated with abnormal bleeding.

Causes

Thrombocytopenia is often divided into three major causes of low platelets:

Not enough platelets are made in the bone marrow

Increased breakdown of platelets in the bloodstream

Increased breakdown of platelets in the spleen or liver

Your bone marrow may not make enough platelets if you have any of the following conditions:

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